55205056 has 28 divisors (see below), whose sum is σ = 111099600. Its totient is φ = 27211520.

The previous prime is 55205053. The next prime is 55205057. The reversal of 55205056 is 65050255.

It is not an unprimeable number, because it can be changed into a prime (55205053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531 + ... + 10618.

Almost surely, 2^55205056 is an apocalyptic number.

It is an amenable number.

55205056 is an abundant number, since it is smaller than the sum of its proper divisors (55894544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55205056 is a wasteful number, since it uses less digits than its factorization.

55205056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232 (or 12222 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 55205056 is about 7430.0104979737. The cubic root of 55205056 is about 380.7672770412.

The spelling of 55205056 in words is "fifty-five million, two hundred five thousand, fifty-six".